I use a transponder with an account that can be re-charged with a credit card. This way one can drive straight through (traffic permitting) without waiting for a clerk to take your money.
Below is a link to LeeWay, the servicig company for those trasponders: https://www.leewayinfo.com/
The midpoint bridge on Veterans and Cape Coral Pkwy bridge charge $2.00 coming into Cape but free going out. The bridge on Rt. 41 from North Ft. Myers is no charge either way. Hancock Bridge Rd. cuts over to the Cape from North Fort Myers.